johnson



(NoM-odel.)

R. W. JOHNSON.

Impervious Wrapping Paper.

Patented June 22, 1880.

FigTZ.

Zfi'biemaYir; 1110020 for:

- jar/M w Mwm bu 6.6.ma/nm1/ 1'o -Sheetsof unsize'd .pztpeigand 'it-jslfully illus-- No. 41,241, January 12, 1864, to LIL-Bigot :UnIT Dl STATES- P TENT OFFICE.

ROBERT w. .iormson, OF NEW YO K,- n. Y., hsslenon 'ro snABUnre I Jonnsom on SAME PLACE.- [MEERVIOUS WRA PPlNG-PAPER.

srncrrrcnrron fonningf part of Letters Patent No. 229,045, dated me 22,1880

I Application illedMay 3,1880. (No model.)

V A (L Y X To all whom it may concern: 1 a compound of caoutchouc and othermaterials. Be .it known that .I, ROBERT W. J QHNSON, vis old and common but in all such cases withof the city, county, and State of New York, in my knowledge sulphur or other substance ghave invented Improvements in Impervious. of olicnsive odor is used, which-isobjection 5.;Wrapping-Paper, of whichthe following is a able. t

(specification; 3 I also know that waterroof paper hasbeon;

The nature of the invention is in the combiprepared by coating the surfaces with. nation of acompound-of caoutehouc and either gums, or by-putting a gum compound be parafline or Japan wax with and between two two sheets of paper, as specified inthe Patents p trated in the accompanying drawings, of No. 96,148, October 26, 1869, to C. SYEmilfi which-4' and No. 73,287, January 14, 1868, to 8,501 *m qm -1 is a sectional view, and Fig. .2 a Bishop; but myinventiondiifersfroznallthese, perspective view. a "fa-ndI think it better. I 15 0f the drawings, A represents an under and In both surgical and mercautileoperations B an upper sheet of unsized paper, and O a, there is a large demand for cheap wrappers com-pound of ca'outchonc and either paraifine which are soft and pliable, impe 'ous'to air 1 ,or Japan wax between the two sheets of paper and water,=and freefrom ofl'ensit'epdon' Ihave 111 B,or' caoutchouc,paraifine, and Jap'anwax. triedmany devices, but have found none-so 20 C A thin, adhesive, exible paste-inn or one ood for the "purpose as th'eone described. 50 r P g to air and-"watenwhich is inodorous an'dwill Therefore not-decompose can be made of a compound of v What I claim is as follows:

, ca'ontch'ouc and rparaffine or caoutchouc and The combination of a compound of ca0nt- Japan wax and two sheets of Manila paper, ohoucand either parafline-orJapan wax with :25jlilttached together by this paste, spread only and between two sheets of un sized paper- .on the inner or contactual sides, make a coin "bined sheet that is soft, pliable, tough, and 1 i cheap, impervious to air and water, andefii- "u Witnesses: j v 'cient for an impervious wrappirigpapr. v GEO, GJHALLEIT, v '30 I know that cloth saturated and coated with SA'MUEL R. BELL.

W. Jonnson; 

